Trainline controller including testing of signal quality on a trainline network by commanding each node to transmitter calibration signal. A signal detector is connected to the trainline at a common junction with a head end termination circuit. A stuck-on transmitter is determined by a transmission current drawn by the transceiver is on for a present amount of time.
Legal claims defining the scope of protection, as filed with the USPTO.
Claim text for this patent isn't available yet.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
September 11, 2002
July 6, 2004
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.